Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5293845 | Control mechanism for engine valve timing | Masami Yamazaki, Atsushi Watanabe, Tatsuo Iida | 1994-03-15 |
| 5174253 | Apparatus for shifting phase between shafts in internal combustion engine | Masami Yamazaki, Atsushi Watanabe | 1992-12-29 |